SHINE: Digitization of 27 Years of Big Bear Solar Observatory (BBSO) Films and Application in Statistical Study of Filaments and Flares

SHINE：大熊太阳天文台 (BBSO) 27 年胶片的数字化及其在灯丝和耀斑统计研究中的应用

• 批准号: 0849453
• 负责人: Haimin Wang
• 金额: $ 39.13万
• 依托单位: New Jersey Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-03-01 至 2014-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0849453&HistoricalAwards=false
• 关键词: SHINE; Digitization; 27; Years; Big

From 1969 to 1995, Big Bear Solar Observatory (BBSO) staff recorded all of their observations on 35 mm film before switching to digital imaging after 1995. These film data include full-disk observations from BBSO's 8 inch telescope and high resolution observations from the 10 and 26 inch telescopes, with the cadence of observations ranging from 10 seconds to 1 minute. These film data cover two and one-half solar cycles, include thousands of flares, and span the entire operational service of several space missions, including SMM, CGRO, and Yohkoh. Wide public access to these BBSO data films is impractical and their scientific capability has never been fully explored. The requested funding will support the purchase of specialized commercial digitizing equipment, as well as the employment of a postdoctoral researcher and undergraduate students to digitize these films and archive them in the public domain. The BBSO data to be digitized includes full-disk and high resolution H-alpha images, as well as He I images. The entire set of full-disk data will be converted to create a synoptic data base. High resolution film data will be digitized according to events selected by the full-disk data. All observed solar flares and filament eruptions will be automatically detected and cataloged using artificial intelligence methods that have been developed and implemented at BBSO. Despite some limitations of the film data format, the PI notes that the long-term coverage and high quality of the BBSO data will have very broad applications for many statistical studies. The PI's team will carry out targeted research on the filaments and flares with the digitized data. They plan to perform statistical analysis of solar filaments, including their motions and eruptions. They will study filament oscillations to verify whether they are precursors to, or the result of, solar flares. The PI and postdoc will investigate the rate of magnetic reconnection at the Sun and the relationship of filament acceleration to hard X-ray (HXR) emission. This new study will complement the ongoing comparison of existing BBSO digital data and HXR data from the RHESSI spacecraft.This research addresses the SHINE goal of understanding the initiation of CMEs and electron acceleration in flares. The study of a large number of archived events will improve the forecasting of future solar eruptive events, and thus assist operational space weather prediction. Funding is not requested for the PI, but it will instead support the postdoc and undergraduate students. At least three undergraduate students will participate in the film digitization and research, and the postdoc will gain management training by assisting the PI in supervising these students.

从1969年到1995年，大熊太阳能观测站（BBSO）的工作人员在1995年之后切换到数字成像之前，记录了他们的所有观察结果。这些胶卷包括BBSO的8英寸望远镜和高分辨率观察结果的全盘观测，并从10和26英寸的望远镜进行了高分辨率观察，并从10分钟的观察到了10分钟的观测。这些薄膜数据涵盖了两个和一半的太阳能循环，包括数千个耀斑，涵盖了包括SMM，CGRO和Yohkoh在内的多个太空任务的整个操作服务。公众对这些BBSO数据膜的广泛访问是不切实际的，并且从未完全探索过它们的科学能力。要求的资金将支持购买专门的商业数字化设备，以及雇用博士后研究员和本科生来数字化这些电影并在公共领域中存档。要数字化的BBSO数据包括全盘和高分辨率H-Alpha图像以及I图像。整个全盘数据集将转换为创建概要数据库。高分辨率膜数据将根据全盘数据选择的事件进行数字化。所有观察到的太阳耀斑和细丝爆发将自动检测并使用在BBSO开发和实施的人工智能方法进行分类。尽管膜数据格式有一些局限性，但PI指出，BBSO数据的长期覆盖范围和高质量的覆盖范围和高质量将在许多统计研究中具有非常广泛的应用。 PI的团队将使用数字化数据对细丝和耀斑进行针对性的研究。他们计划对太阳丝进行统计分析，包括其动作和喷发。他们将研究灯丝振荡，以验证它们是太阳耀斑的前体还是结果。 PI和DOSTOC将研究太阳处的磁重新连接速率以及灯丝加速与硬X射线（HXR）发射的关系。这项新的研究将补充Rhessi航天器现有的BBSO数字数据和HXR数据的持续比较。这项研究旨在解决了解CMES启动和耀斑中电子加速的光泽目标。对大量存档事件的研究将改善对未来太阳喷发事件的预测，从而有助于操作空间天气预测。不要求使用PI资金，而是支持博士后和本科生。至少三名本科生将参加电影数字化和研究，博士后将通过协助PI监督这些学生来获得管理培训。